./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da4068869d66a98d783b3eb3a8d0497ba7ef569dcf8b3f3f7d9e0053e2966936 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 21:09:54,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:09:54,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:09:54,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:09:54,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:09:54,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:09:54,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:09:54,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:09:54,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:09:54,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:09:54,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:09:54,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:09:54,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:09:54,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:09:54,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:09:54,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:09:54,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:09:54,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:09:54,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:09:54,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:09:54,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:09:54,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:09:54,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:09:54,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:09:54,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:09:54,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:09:54,817 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:09:54,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:09:54,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:09:54,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:09:54,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:09:54,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:09:54,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:09:54,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:09:54,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:09:54,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:09:54,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:09:54,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:09:54,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:09:54,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:09:54,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:09:54,831 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 21:09:54,874 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:09:54,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:09:54,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:09:54,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:09:54,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:09:54,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:09:54,879 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:09:54,880 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 21:09:54,880 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 21:09:54,880 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 21:09:54,881 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 21:09:54,881 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 21:09:54,882 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 21:09:54,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:09:54,882 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:09:54,882 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 21:09:54,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:09:54,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:09:54,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:09:54,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 21:09:54,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 21:09:54,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 21:09:54,884 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:09:54,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:09:54,884 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 21:09:54,884 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:09:54,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 21:09:54,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:09:54,885 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:09:54,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:09:54,886 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:09:54,887 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 21:09:54,887 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da4068869d66a98d783b3eb3a8d0497ba7ef569dcf8b3f3f7d9e0053e2966936 [2022-11-18 21:09:55,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:09:55,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:09:55,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:09:55,147 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:09:55,148 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:09:55,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/email_spec9_product20.cil.c [2022-11-18 21:09:55,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/data/e523719e0/b4a213b781b74ab38c18b3b156ad7509/FLAG8362e9754 [2022-11-18 21:09:55,752 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:09:55,753 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/sv-benchmarks/c/product-lines/email_spec9_product20.cil.c [2022-11-18 21:09:55,775 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/data/e523719e0/b4a213b781b74ab38c18b3b156ad7509/FLAG8362e9754 [2022-11-18 21:09:56,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/data/e523719e0/b4a213b781b74ab38c18b3b156ad7509 [2022-11-18 21:09:56,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:09:56,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:09:56,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:09:56,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:09:56,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:09:56,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:09:56" (1/1) ... [2022-11-18 21:09:56,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ae546b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:56, skipping insertion in model container [2022-11-18 21:09:56,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:09:56" (1/1) ... [2022-11-18 21:09:56,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:09:56,101 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:09:56,705 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/sv-benchmarks/c/product-lines/email_spec9_product20.cil.c[63436,63449] [2022-11-18 21:09:56,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:09:56,719 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:09:56,817 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/sv-benchmarks/c/product-lines/email_spec9_product20.cil.c[63436,63449] [2022-11-18 21:09:56,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:09:56,867 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:09:56,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:56 WrapperNode [2022-11-18 21:09:56,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:09:56,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:09:56,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:09:56,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:09:56,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:56" (1/1) ... [2022-11-18 21:09:56,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:56" (1/1) ... [2022-11-18 21:09:57,050 INFO L138 Inliner]: procedures = 129, calls = 220, calls flagged for inlining = 126, calls inlined = 270, statements flattened = 4000 [2022-11-18 21:09:57,050 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:09:57,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:09:57,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:09:57,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:09:57,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:56" (1/1) ... [2022-11-18 21:09:57,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:56" (1/1) ... [2022-11-18 21:09:57,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:56" (1/1) ... [2022-11-18 21:09:57,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:56" (1/1) ... [2022-11-18 21:09:57,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:56" (1/1) ... [2022-11-18 21:09:57,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:56" (1/1) ... [2022-11-18 21:09:57,161 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:56" (1/1) ... [2022-11-18 21:09:57,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:56" (1/1) ... [2022-11-18 21:09:57,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:09:57,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:09:57,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:09:57,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:09:57,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:56" (1/1) ... [2022-11-18 21:09:57,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:09:57,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:09:57,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:09:57,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 21:09:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-11-18 21:09:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:09:57,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:09:57,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:09:57,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:09:57,482 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:09:57,484 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:09:59,537 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:09:59,558 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:09:59,559 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 21:09:59,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:09:59 BoogieIcfgContainer [2022-11-18 21:09:59,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:09:59,564 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 21:09:59,564 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 21:09:59,568 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 21:09:59,569 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 21:09:59,569 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:09:56" (1/3) ... [2022-11-18 21:09:59,570 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c175ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:09:59, skipping insertion in model container [2022-11-18 21:09:59,570 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 21:09:59,570 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:56" (2/3) ... [2022-11-18 21:09:59,571 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c175ecb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:09:59, skipping insertion in model container [2022-11-18 21:09:59,571 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 21:09:59,571 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:09:59" (3/3) ... [2022-11-18 21:09:59,572 INFO L332 chiAutomizerObserver]: Analyzing ICFG email_spec9_product20.cil.c [2022-11-18 21:09:59,663 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 21:09:59,664 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 21:09:59,664 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 21:09:59,664 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 21:09:59,664 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 21:09:59,664 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 21:09:59,665 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 21:09:59,665 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 21:09:59,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 922 states, 921 states have (on average 1.6829533116178068) internal successors, (1550), 921 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:09:59,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 266 [2022-11-18 21:09:59,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:09:59,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:09:59,745 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:09:59,746 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:09:59,746 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 21:09:59,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 922 states, 921 states have (on average 1.6829533116178068) internal successors, (1550), 921 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:09:59,814 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 266 [2022-11-18 21:09:59,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:09:59,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:09:59,825 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:09:59,827 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:09:59,834 INFO L748 eck$LassoCheckResult]: Stem: 435#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(44, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(9, 7);call #Ultimate.allocInit(11, 8);call #Ultimate.allocInit(19, 9);call #Ultimate.allocInit(4, 10);call write~init~int(37, 10, 0, 1);call write~init~int(100, 10, 1, 1);call write~init~int(10, 10, 2, 1);call write~init~int(0, 10, 3, 1);call #Ultimate.allocInit(4, 11);call write~init~int(37, 11, 0, 1);call write~init~int(100, 11, 1, 1);call write~init~int(10, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(17, 12);call #Ultimate.allocInit(17, 13);call #Ultimate.allocInit(13, 14);call #Ultimate.allocInit(17, 15);call #Ultimate.allocInit(30, 16);call #Ultimate.allocInit(9, 17);call #Ultimate.allocInit(21, 18);call #Ultimate.allocInit(30, 19);call #Ultimate.allocInit(9, 20);call #Ultimate.allocInit(21, 21);call #Ultimate.allocInit(30, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(25, 24);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(25, 27);call #Ultimate.allocInit(10, 28);call #Ultimate.allocInit(12, 29);call #Ultimate.allocInit(10, 30);call #Ultimate.allocInit(18, 31);call #Ultimate.allocInit(16, 32);call #Ultimate.allocInit(21, 33);call #Ultimate.allocInit(10, 34);call #Ultimate.allocInit(34, 35);call #Ultimate.allocInit(30, 36);call #Ultimate.allocInit(16, 37);call #Ultimate.allocInit(20, 38);call #Ultimate.allocInit(22, 39);call #Ultimate.allocInit(4, 40);call write~init~int(37, 40, 0, 1);call write~init~int(115, 40, 1, 1);call write~init~int(10, 40, 2, 1);call write~init~int(0, 40, 3, 1);~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_client_autoResponse0~0 := 0;~rjh~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_email_to1~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_email_from0~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_isEncrypted0~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~queued_client~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_counter~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_Email_counter~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~queued_message~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~bob~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~in_encrypted~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_signKey0~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__ste_email_id0~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver0~0 := 0; 845#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret13#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 488#L85true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 240#L78true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 715#L93true main_#t~ret13#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret13#1;havoc main_#t~ret13#1; 56#L269true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet10#1, setup_#t~nondet11#1, setup_#t~nondet12#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~0#1.base, setup_~__cil_tmp3~0#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~0#1.base, setup_~__cil_tmp3~0#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 84#L1512true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 304#L1518-2true assume { :end_inline_setClientId } true; 760#L146true assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 580#L1077true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 492#L1083-2true assume { :end_inline_setClientPrivateKey } true; 457#L157true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 6, 0;havoc setup_#t~nondet10#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 779#L1512-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 408#L1518-5true assume { :end_inline_setClientId } true; 578#L167true assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 292#L1077-2true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 803#L1083-5true assume { :end_inline_setClientPrivateKey } true; 709#L178true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 7, 0;havoc setup_#t~nondet11#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 471#L1512-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 742#L1518-8true assume { :end_inline_setClientId } true; 468#L188true assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 380#L1077-4true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 173#L1083-8true assume { :end_inline_setClientPrivateKey } true; 610#L199true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~0#1.base, setup_~__cil_tmp3~0#1.offset := 8, 0;havoc setup_#t~nondet12#1; 43#L256true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet92#1, test_#t~nondet93#1, test_#t~nondet94#1, test_#t~nondet95#1, test_#t~nondet96#1, test_#t~nondet97#1, test_#t~nondet98#1, test_#t~nondet99#1, test_#t~nondet100#1, test_#t~nondet101#1, test_#t~nondet102#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~21#1, test_~tmp___0~7#1, test_~tmp___1~4#1, test_~tmp___2~3#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~21#1;havoc test_~tmp___0~7#1;havoc test_~tmp___1~4#1;havoc test_~tmp___2~3#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 216#L2906-1true [2022-11-18 21:09:59,840 INFO L750 eck$LassoCheckResult]: Loop: 216#L2906-1true assume !false; 763#L2758true assume test_~splverifierCounter~0#1 < 4; 166#L2759true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 903#L2765true assume !(0 == test_~op1~0#1); 350#L2778true assume 0 == test_~op2~0#1;test_~tmp___8~0#1 := test_#t~nondet93#1;havoc test_#t~nondet93#1; 774#L2783true assume 0 != test_~tmp___8~0#1;assume { :begin_inline_rjhSetAutoRespond } true;assume { :begin_inline_setClientAutoResponse } true;setClientAutoResponse_#in~handle#1, setClientAutoResponse_#in~value#1 := ~rjh~0, 1;havoc setClientAutoResponse_~handle#1, setClientAutoResponse_~value#1;setClientAutoResponse_~handle#1 := setClientAutoResponse_#in~handle#1;setClientAutoResponse_~value#1 := setClientAutoResponse_#in~value#1; 403#L1030true assume 1 == setClientAutoResponse_~handle#1;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value#1; 684#L1036-2true assume { :end_inline_setClientAutoResponse } true; 510#L399true assume { :end_inline_rjhSetAutoRespond } true;test_~op2~0#1 := 1; 216#L2906-1true [2022-11-18 21:09:59,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:09:59,847 INFO L85 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2022-11-18 21:09:59,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:09:59,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158165190] [2022-11-18 21:09:59,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:09:59,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:10:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:00,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:10:00,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:10:00,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158165190] [2022-11-18 21:10:00,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158165190] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:10:00,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:10:00,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 21:10:00,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958143603] [2022-11-18 21:10:00,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:10:00,287 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 21:10:00,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:10:00,290 INFO L85 PathProgramCache]: Analyzing trace with hash 853771930, now seen corresponding path program 1 times [2022-11-18 21:10:00,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:10:00,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141761127] [2022-11-18 21:10:00,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:10:00,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:10:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:10:00,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:10:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:10:00,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:10:00,470 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 21:10:00,471 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 21:10:00,472 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 21:10:00,472 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 21:10:00,472 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 21:10:00,472 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:00,473 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 21:10:00,473 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 21:10:00,473 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product20.cil.c_Iteration1_Loop [2022-11-18 21:10:00,474 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 21:10:00,474 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 21:10:00,499 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:00,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:00,543 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:00,546 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:00,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:00,571 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:00,714 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 21:10:00,715 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 21:10:00,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:00,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:00,752 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:00,799 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 21:10:00,799 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 21:10:00,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 21:10:00,841 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 21:10:00,841 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_~value#1=1, ULTIMATE.start_setClientAutoResponse_#in~value#1=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_~value#1=1, ULTIMATE.start_setClientAutoResponse_#in~value#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 21:10:00,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-18 21:10:00,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:00,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:00,851 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:00,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 21:10:00,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 21:10:00,865 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 21:10:00,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 21:10:00,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:00,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:00,909 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:00,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 21:10:00,914 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 21:10:00,914 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 21:10:00,942 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 21:10:00,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 21:10:00,951 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 21:10:00,952 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 21:10:00,952 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 21:10:00,952 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 21:10:00,952 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 21:10:00,952 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:00,952 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 21:10:00,953 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 21:10:00,953 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product20.cil.c_Iteration1_Loop [2022-11-18 21:10:00,953 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 21:10:00,953 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 21:10:00,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:00,964 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:00,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:00,976 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:00,987 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:00,995 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:01,114 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 21:10:01,119 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 21:10:01,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:01,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:01,122 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:01,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:10:01,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:10:01,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:10:01,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:10:01,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:10:01,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:10:01,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:10:01,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:10:01,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 21:10:01,164 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 21:10:01,168 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 21:10:01,168 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 21:10:01,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:01,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:01,176 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:01,202 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 21:10:01,202 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 21:10:01,202 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 21:10:01,203 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0#1) = -2*ULTIMATE.start_test_~op2~0#1 + 1 Supporting invariants [] [2022-11-18 21:10:01,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 21:10:01,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 21:10:01,214 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 21:10:01,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:10:01,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-18 21:10:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:01,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:10:01,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:10:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:01,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 21:10:01,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:10:01,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:10:01,572 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 21:10:01,576 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 922 states, 921 states have (on average 1.6829533116178068) internal successors, (1550), 921 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:10:01,936 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 922 states, 921 states have (on average 1.6829533116178068) internal successors, (1550), 921 states have internal predecessors, (1550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 4167 states and 6993 transitions. Complement of second has 7 states. [2022-11-18 21:10:01,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 21:10:01,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:10:01,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4037 transitions. [2022-11-18 21:10:01,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4037 transitions. Stem has 25 letters. Loop has 9 letters. [2022-11-18 21:10:01,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:10:01,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4037 transitions. Stem has 34 letters. Loop has 9 letters. [2022-11-18 21:10:01,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:10:01,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4037 transitions. Stem has 25 letters. Loop has 18 letters. [2022-11-18 21:10:01,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:10:01,955 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4167 states and 6993 transitions. [2022-11-18 21:10:01,993 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 521 [2022-11-18 21:10:02,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4167 states to 1087 states and 1951 transitions. [2022-11-18 21:10:02,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 559 [2022-11-18 21:10:02,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 560 [2022-11-18 21:10:02,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1087 states and 1951 transitions. [2022-11-18 21:10:02,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 21:10:02,014 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1087 states and 1951 transitions. [2022-11-18 21:10:02,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1087 states and 1951 transitions. [2022-11-18 21:10:02,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1087 to 566. [2022-11-18 21:10:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 566 states have (on average 1.784452296819788) internal successors, (1010), 565 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:10:02,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 1010 transitions. [2022-11-18 21:10:02,072 INFO L240 hiAutomatonCegarLoop]: Abstraction has 566 states and 1010 transitions. [2022-11-18 21:10:02,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:10:02,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:10:02,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:10:02,081 INFO L87 Difference]: Start difference. First operand 566 states and 1010 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:10:02,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:10:02,146 INFO L93 Difference]: Finished difference Result 1109 states and 1982 transitions. [2022-11-18 21:10:02,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1109 states and 1982 transitions. [2022-11-18 21:10:02,153 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 522 [2022-11-18 21:10:02,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1109 states to 1109 states and 1982 transitions. [2022-11-18 21:10:02,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 575 [2022-11-18 21:10:02,162 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 575 [2022-11-18 21:10:02,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1109 states and 1982 transitions. [2022-11-18 21:10:02,167 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 21:10:02,168 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1109 states and 1982 transitions. [2022-11-18 21:10:02,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states and 1982 transitions. [2022-11-18 21:10:02,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 565. [2022-11-18 21:10:02,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 565 states have (on average 1.7805309734513275) internal successors, (1006), 564 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:10:02,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 1006 transitions. [2022-11-18 21:10:02,192 INFO L240 hiAutomatonCegarLoop]: Abstraction has 565 states and 1006 transitions. [2022-11-18 21:10:02,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 21:10:02,195 INFO L428 stractBuchiCegarLoop]: Abstraction has 565 states and 1006 transitions. [2022-11-18 21:10:02,195 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 21:10:02,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 565 states and 1006 transitions. [2022-11-18 21:10:02,197 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 261 [2022-11-18 21:10:02,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:10:02,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:10:02,202 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:10:02,203 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:10:02,204 INFO L748 eck$LassoCheckResult]: Stem: 7456#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(44, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(9, 7);call #Ultimate.allocInit(11, 8);call #Ultimate.allocInit(19, 9);call #Ultimate.allocInit(4, 10);call write~init~int(37, 10, 0, 1);call write~init~int(100, 10, 1, 1);call write~init~int(10, 10, 2, 1);call write~init~int(0, 10, 3, 1);call #Ultimate.allocInit(4, 11);call write~init~int(37, 11, 0, 1);call write~init~int(100, 11, 1, 1);call write~init~int(10, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(17, 12);call #Ultimate.allocInit(17, 13);call #Ultimate.allocInit(13, 14);call #Ultimate.allocInit(17, 15);call #Ultimate.allocInit(30, 16);call #Ultimate.allocInit(9, 17);call #Ultimate.allocInit(21, 18);call #Ultimate.allocInit(30, 19);call #Ultimate.allocInit(9, 20);call #Ultimate.allocInit(21, 21);call #Ultimate.allocInit(30, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(25, 24);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(25, 27);call #Ultimate.allocInit(10, 28);call #Ultimate.allocInit(12, 29);call #Ultimate.allocInit(10, 30);call #Ultimate.allocInit(18, 31);call #Ultimate.allocInit(16, 32);call #Ultimate.allocInit(21, 33);call #Ultimate.allocInit(10, 34);call #Ultimate.allocInit(34, 35);call #Ultimate.allocInit(30, 36);call #Ultimate.allocInit(16, 37);call #Ultimate.allocInit(20, 38);call #Ultimate.allocInit(22, 39);call #Ultimate.allocInit(4, 40);call write~init~int(37, 40, 0, 1);call write~init~int(115, 40, 1, 1);call write~init~int(10, 40, 2, 1);call write~init~int(0, 40, 3, 1);~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_client_autoResponse0~0 := 0;~rjh~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_email_to1~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_email_from0~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_isEncrypted0~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~queued_client~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_counter~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_Email_counter~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~queued_message~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~bob~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~in_encrypted~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_signKey0~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__ste_email_id0~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver0~0 := 0; 7406#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret13#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 7102#L85 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 7030#L78 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 7031#L93 main_#t~ret13#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret13#1;havoc main_#t~ret13#1; 7091#L269 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet10#1, setup_#t~nondet11#1, setup_#t~nondet12#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~0#1.base, setup_~__cil_tmp3~0#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~0#1.base, setup_~__cil_tmp3~0#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 7211#L1512 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 7274#L1518-2 assume { :end_inline_setClientId } true; 7250#L146 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 7251#L1077 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 7111#L1083-2 assume { :end_inline_setClientPrivateKey } true; 6949#L157 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 6, 0;havoc setup_#t~nondet10#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 6950#L1512-2 assume !(1 == setClientId_~handle#1); 7100#L1515-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 7101#L1518-5 assume { :end_inline_setClientId } true; 7369#L167 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 7268#L1077-2 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 7245#L1083-5 assume { :end_inline_setClientPrivateKey } true; 7060#L178 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 7, 0;havoc setup_#t~nondet11#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 7023#L1512-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 6893#L1518-8 assume { :end_inline_setClientId } true; 7009#L188 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 7010#L1077-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 7224#L1083-8 assume { :end_inline_setClientPrivateKey } true; 7424#L199 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~0#1.base, setup_~__cil_tmp3~0#1.offset := 8, 0;havoc setup_#t~nondet12#1; 7175#L256 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet92#1, test_#t~nondet93#1, test_#t~nondet94#1, test_#t~nondet95#1, test_#t~nondet96#1, test_#t~nondet97#1, test_#t~nondet98#1, test_#t~nondet99#1, test_#t~nondet100#1, test_#t~nondet101#1, test_#t~nondet102#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~21#1, test_~tmp___0~7#1, test_~tmp___1~4#1, test_~tmp___2~3#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~21#1;havoc test_~tmp___0~7#1;havoc test_~tmp___1~4#1;havoc test_~tmp___2~3#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 7176#L2906-1 assume !false; 7260#L2758 [2022-11-18 21:10:02,204 INFO L750 eck$LassoCheckResult]: Loop: 7260#L2758 assume test_~splverifierCounter~0#1 < 4; 7261#L2759 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 7434#L2765 assume !(0 == test_~op1~0#1); 7136#L2778 assume !(0 == test_~op2~0#1); 7286#L2792 assume 0 == test_~op3~0#1;test_~tmp___7~0#1 := test_#t~nondet94#1;havoc test_#t~nondet94#1; 7154#L2797 assume 0 != test_~tmp___7~0#1;assume { :begin_inline_rjhDeletePrivateKey } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := ~rjh~0, 0;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 7155#L1077-6 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 7088#L1083-11 assume { :end_inline_setClientPrivateKey } true; 7388#L369 assume { :end_inline_rjhDeletePrivateKey } true;test_~op3~0#1 := 1; 7006#L2906-1 assume !false; 7260#L2758 [2022-11-18 21:10:02,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:10:02,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1808936504, now seen corresponding path program 1 times [2022-11-18 21:10:02,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:10:02,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107991973] [2022-11-18 21:10:02,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:10:02,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:10:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:10:02,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:10:02,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107991973] [2022-11-18 21:10:02,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107991973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:10:02,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:10:02,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 21:10:02,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025597644] [2022-11-18 21:10:02,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:10:02,446 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 21:10:02,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:10:02,446 INFO L85 PathProgramCache]: Analyzing trace with hash -88063911, now seen corresponding path program 1 times [2022-11-18 21:10:02,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:10:02,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467023700] [2022-11-18 21:10:02,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:10:02,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:10:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:10:02,459 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:10:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:10:02,479 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:10:02,578 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 21:10:02,579 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 21:10:02,579 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 21:10:02,580 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 21:10:02,586 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 21:10:02,587 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:02,587 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 21:10:02,587 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 21:10:02,587 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product20.cil.c_Iteration2_Loop [2022-11-18 21:10:02,588 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 21:10:02,588 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 21:10:02,591 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:02,594 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:02,600 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:02,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:02,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:02,620 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:02,623 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:02,796 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 21:10:02,796 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 21:10:02,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:02,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:02,801 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:02,809 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 21:10:02,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 21:10:02,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 21:10:02,833 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 21:10:02,833 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 21:10:02,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 21:10:02,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:02,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:02,844 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:02,854 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 21:10:02,854 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 21:10:02,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 21:10:02,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 21:10:02,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:02,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:02,889 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:02,897 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 21:10:02,897 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 21:10:02,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 21:10:02,921 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 21:10:02,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 21:10:02,927 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 21:10:02,927 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 21:10:02,927 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 21:10:02,927 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 21:10:02,927 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 21:10:02,927 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:02,927 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 21:10:02,927 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 21:10:02,928 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product20.cil.c_Iteration2_Loop [2022-11-18 21:10:02,928 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 21:10:02,928 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 21:10:02,929 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:02,932 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:02,937 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:02,942 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:02,949 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:02,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:02,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:03,068 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 21:10:03,069 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 21:10:03,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:03,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:03,072 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:03,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 21:10:03,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:10:03,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:10:03,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:10:03,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:10:03,098 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-18 21:10:03,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:10:03,099 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 21:10:03,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:10:03,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:10:03,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 21:10:03,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:03,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:03,127 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:03,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:10:03,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:10:03,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:10:03,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:10:03,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:10:03,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:10:03,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:10:03,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:10:03,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 21:10:03,163 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 21:10:03,181 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 21:10:03,181 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 21:10:03,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:03,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:03,183 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:03,198 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 21:10:03,198 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 21:10:03,198 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 21:10:03,198 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op3~0#1) = -2*ULTIMATE.start_test_~op3~0#1 + 1 Supporting invariants [] [2022-11-18 21:10:03,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 21:10:03,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 21:10:03,209 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 21:10:03,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:10:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:03,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:10:03,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:10:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:03,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 21:10:03,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:10:03,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:10:03,486 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-18 21:10:03,486 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 565 states and 1006 transitions. cyclomatic complexity: 443 Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:10:03,564 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 565 states and 1006 transitions. cyclomatic complexity: 443. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2133 states and 3835 transitions. Complement of second has 6 states. [2022-11-18 21:10:03,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 21:10:03,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:10:03,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1004 transitions. [2022-11-18 21:10:03,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 27 letters. Loop has 10 letters. [2022-11-18 21:10:03,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:10:03,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 37 letters. Loop has 10 letters. [2022-11-18 21:10:03,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:10:03,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1004 transitions. Stem has 27 letters. Loop has 20 letters. [2022-11-18 21:10:03,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:10:03,569 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2133 states and 3835 transitions. [2022-11-18 21:10:03,579 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 511 [2022-11-18 21:10:03,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2133 states to 2123 states and 3819 transitions. [2022-11-18 21:10:03,591 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 551 [2022-11-18 21:10:03,592 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 553 [2022-11-18 21:10:03,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2123 states and 3819 transitions. [2022-11-18 21:10:03,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 21:10:03,594 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2123 states and 3819 transitions. [2022-11-18 21:10:03,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states and 3819 transitions. [2022-11-18 21:10:03,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1088. [2022-11-18 21:10:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1088 states have (on average 1.7922794117647058) internal successors, (1950), 1087 states have internal predecessors, (1950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:10:03,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1950 transitions. [2022-11-18 21:10:03,622 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1088 states and 1950 transitions. [2022-11-18 21:10:03,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:10:03,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 21:10:03,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 21:10:03,625 INFO L87 Difference]: Start difference. First operand 1088 states and 1950 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:10:03,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-11-18 21:10:03,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:10:03,798 INFO L93 Difference]: Finished difference Result 2119 states and 3797 transitions. [2022-11-18 21:10:03,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2119 states and 3797 transitions. [2022-11-18 21:10:03,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 506 [2022-11-18 21:10:03,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2119 states to 2119 states and 3797 transitions. [2022-11-18 21:10:03,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 557 [2022-11-18 21:10:03,831 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 557 [2022-11-18 21:10:03,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2119 states and 3797 transitions. [2022-11-18 21:10:03,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 21:10:03,832 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2119 states and 3797 transitions. [2022-11-18 21:10:03,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2119 states and 3797 transitions. [2022-11-18 21:10:03,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2119 to 1088. [2022-11-18 21:10:03,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1088 states, 1088 states have (on average 1.791360294117647) internal successors, (1949), 1087 states have internal predecessors, (1949), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:10:03,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1949 transitions. [2022-11-18 21:10:03,861 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1088 states and 1949 transitions. [2022-11-18 21:10:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 21:10:03,862 INFO L428 stractBuchiCegarLoop]: Abstraction has 1088 states and 1949 transitions. [2022-11-18 21:10:03,862 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 21:10:03,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1088 states and 1949 transitions. [2022-11-18 21:10:03,867 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 256 [2022-11-18 21:10:03,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 21:10:03,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 21:10:03,869 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:10:03,869 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 21:10:03,869 INFO L748 eck$LassoCheckResult]: Stem: 13516#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(44, 4);call #Ultimate.allocInit(44, 5);call #Ultimate.allocInit(9, 6);call #Ultimate.allocInit(9, 7);call #Ultimate.allocInit(11, 8);call #Ultimate.allocInit(19, 9);call #Ultimate.allocInit(4, 10);call write~init~int(37, 10, 0, 1);call write~init~int(100, 10, 1, 1);call write~init~int(10, 10, 2, 1);call write~init~int(0, 10, 3, 1);call #Ultimate.allocInit(4, 11);call write~init~int(37, 11, 0, 1);call write~init~int(100, 11, 1, 1);call write~init~int(10, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(17, 12);call #Ultimate.allocInit(17, 13);call #Ultimate.allocInit(13, 14);call #Ultimate.allocInit(17, 15);call #Ultimate.allocInit(30, 16);call #Ultimate.allocInit(9, 17);call #Ultimate.allocInit(21, 18);call #Ultimate.allocInit(30, 19);call #Ultimate.allocInit(9, 20);call #Ultimate.allocInit(21, 21);call #Ultimate.allocInit(30, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(25, 24);call #Ultimate.allocInit(30, 25);call #Ultimate.allocInit(9, 26);call #Ultimate.allocInit(25, 27);call #Ultimate.allocInit(10, 28);call #Ultimate.allocInit(12, 29);call #Ultimate.allocInit(10, 30);call #Ultimate.allocInit(18, 31);call #Ultimate.allocInit(16, 32);call #Ultimate.allocInit(21, 33);call #Ultimate.allocInit(10, 34);call #Ultimate.allocInit(34, 35);call #Ultimate.allocInit(30, 36);call #Ultimate.allocInit(16, 37);call #Ultimate.allocInit(20, 38);call #Ultimate.allocInit(22, 39);call #Ultimate.allocInit(4, 40);call write~init~int(37, 40, 0, 1);call write~init~int(115, 40, 1, 1);call write~init~int(10, 40, 2, 1);call write~init~int(0, 40, 3, 1);~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_client_autoResponse0~0 := 0;~rjh~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_email_to1~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_email_from0~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_isEncrypted0~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~queued_client~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_counter~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_Email_counter~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~queued_message~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~bob~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~in_encrypted~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_signKey0~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__ste_email_id0~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver0~0 := 0; 13456#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret13#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 13147#L85 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 13077#L78 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 13078#L93 main_#t~ret13#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret13#1;havoc main_#t~ret13#1; 13136#L269 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet10#1, setup_#t~nondet11#1, setup_#t~nondet12#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset, setup_~__cil_tmp3~0#1.base, setup_~__cil_tmp3~0#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset;havoc setup_~__cil_tmp3~0#1.base, setup_~__cil_tmp3~0#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 13256#L1512 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 13320#L1518-2 assume { :end_inline_setClientId } true; 13297#L146 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 13298#L1077 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 13157#L1083-2 assume { :end_inline_setClientPrivateKey } true; 12996#L157 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 6, 0;havoc setup_#t~nondet10#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 12997#L1512-2 assume !(1 == setClientId_~handle#1); 13145#L1515-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 13146#L1518-5 assume { :end_inline_setClientId } true; 13417#L167 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 13315#L1077-2 assume !(1 == setClientPrivateKey_~handle#1); 13290#L1080-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 13292#L1083-5 assume { :end_inline_setClientPrivateKey } true; 13105#L178 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0#1.base, setup_~__cil_tmp2~0#1.offset := 7, 0;havoc setup_#t~nondet11#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 13070#L1512-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 12940#L1518-8 assume { :end_inline_setClientId } true; 13056#L188 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 13057#L1077-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 13270#L1083-8 assume { :end_inline_setClientPrivateKey } true; 13476#L199 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~0#1.base, setup_~__cil_tmp3~0#1.offset := 8, 0;havoc setup_#t~nondet12#1; 13214#L256 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet92#1, test_#t~nondet93#1, test_#t~nondet94#1, test_#t~nondet95#1, test_#t~nondet96#1, test_#t~nondet97#1, test_#t~nondet98#1, test_#t~nondet99#1, test_#t~nondet100#1, test_#t~nondet101#1, test_#t~nondet102#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~21#1, test_~tmp___0~7#1, test_~tmp___1~4#1, test_~tmp___2~3#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~21#1;havoc test_~tmp___0~7#1;havoc test_~tmp___1~4#1;havoc test_~tmp___2~3#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 13215#L2906-1 assume !false; 13523#L2758 assume test_~splverifierCounter~0#1 < 4; 13487#L2759 [2022-11-18 21:10:03,869 INFO L750 eck$LassoCheckResult]: Loop: 13487#L2759 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 13488#L2765 assume !(0 == test_~op1~0#1); 13182#L2778 assume !(0 == test_~op2~0#1); 13333#L2792 assume !(0 == test_~op3~0#1); 13201#L2806 assume !(0 == test_~op4~0#1); 13048#L2820 assume !(0 == test_~op5~0#1); 13036#L2834 assume 0 == test_~op6~0#1;test_~tmp___4~0#1 := test_#t~nondet97#1;havoc test_#t~nondet97#1; 13037#L2839 assume 0 != test_~tmp___4~0#1;test_~op6~0#1 := 1; 13053#L2906-1 assume !false; 13526#L2758 assume test_~splverifierCounter~0#1 < 4; 13487#L2759 [2022-11-18 21:10:03,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:10:03,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1857881969, now seen corresponding path program 1 times [2022-11-18 21:10:03,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:10:03,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341161521] [2022-11-18 21:10:03,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:10:03,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:10:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:04,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:10:04,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 21:10:04,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341161521] [2022-11-18 21:10:04,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341161521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 21:10:04,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 21:10:04,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 21:10:04,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951426396] [2022-11-18 21:10:04,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 21:10:04,047 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 21:10:04,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:10:04,048 INFO L85 PathProgramCache]: Analyzing trace with hash 347519073, now seen corresponding path program 1 times [2022-11-18 21:10:04,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:10:04,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333236131] [2022-11-18 21:10:04,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:10:04,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:10:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:10:04,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:10:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:10:04,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:10:04,138 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 21:10:04,139 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 21:10:04,139 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 21:10:04,139 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 21:10:04,139 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 21:10:04,139 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:04,140 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 21:10:04,140 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 21:10:04,140 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product20.cil.c_Iteration3_Loop [2022-11-18 21:10:04,140 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 21:10:04,140 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 21:10:04,141 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,145 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,150 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,158 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,164 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,167 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,169 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,255 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 21:10:04,255 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 21:10:04,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:04,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:04,257 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:04,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 21:10:04,265 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 21:10:04,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 21:10:04,288 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 21:10:04,288 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op3~0#1=-1} Honda state: {ULTIMATE.start_test_~op3~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 21:10:04,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 21:10:04,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:04,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:04,297 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:04,310 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 21:10:04,310 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 21:10:04,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 21:10:04,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 21:10:04,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:04,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:04,340 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:04,348 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 21:10:04,348 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 21:10:04,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 21:10:04,453 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 21:10:04,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 21:10:04,461 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 21:10:04,461 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 21:10:04,462 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 21:10:04,462 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 21:10:04,462 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 21:10:04,462 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:04,462 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 21:10:04,462 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 21:10:04,462 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product20.cil.c_Iteration3_Loop [2022-11-18 21:10:04,462 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 21:10:04,462 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 21:10:04,463 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,467 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,478 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,487 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,490 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,494 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 21:10:04,594 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 21:10:04,594 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 21:10:04,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:04,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:04,596 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:04,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 21:10:04,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:10:04,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:10:04,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:10:04,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:10:04,616 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-18 21:10:04,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:10:04,617 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-18 21:10:04,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:10:04,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 21:10:04,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 21:10:04,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:04,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:04,636 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:04,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 21:10:04,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 21:10:04,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 21:10:04,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 21:10:04,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 21:10:04,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 21:10:04,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 21:10:04,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 21:10:04,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 21:10:04,668 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 21:10:04,672 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 21:10:04,672 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 21:10:04,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 21:10:04,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:04,674 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:04,682 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 21:10:04,682 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 21:10:04,682 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 21:10:04,682 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 5 Supporting invariants [] [2022-11-18 21:10:04,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 21:10:04,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 21:10:04,692 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 21:10:04,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:10:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:04,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 21:10:04,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:10:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 21:10:04,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 21:10:04,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 21:10:04,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 21:10:04,881 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 21:10:04,881 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1088 states and 1949 transitions. cyclomatic complexity: 865 Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:10:04,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 21:10:04,954 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1088 states and 1949 transitions. cyclomatic complexity: 865. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2398 states and 4316 transitions. Complement of second has 4 states. [2022-11-18 21:10:04,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 21:10:04,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:10:04,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2022-11-18 21:10:04,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 532 transitions. Stem has 29 letters. Loop has 10 letters. [2022-11-18 21:10:04,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:10:04,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 532 transitions. Stem has 39 letters. Loop has 10 letters. [2022-11-18 21:10:04,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:10:04,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 532 transitions. Stem has 29 letters. Loop has 20 letters. [2022-11-18 21:10:04,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 21:10:04,957 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2398 states and 4316 transitions. [2022-11-18 21:10:04,976 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 21:10:04,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2398 states to 0 states and 0 transitions. [2022-11-18 21:10:04,976 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 21:10:04,976 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 21:10:04,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 21:10:04,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:10:04,977 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 21:10:04,977 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 21:10:04,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 21:10:04,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 21:10:04,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 21:10:04,989 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 21:10:04,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 21:10:04,989 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-11-18 21:10:04,989 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-11-18 21:10:04,990 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 21:10:04,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 21:10:04,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 21:10:04,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 21:10:04,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 21:10:04,990 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 21:10:04,990 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 21:10:04,991 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 21:10:04,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 21:10:04,991 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 21:10:04,991 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 21:10:04,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 21:10:04,992 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 21:10:04,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 21:10:05,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:10:04 BoogieIcfgContainer [2022-11-18 21:10:05,000 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 21:10:05,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:10:05,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:10:05,001 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:10:05,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:09:59" (3/4) ... [2022-11-18 21:10:05,004 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 21:10:05,004 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:10:05,005 INFO L158 Benchmark]: Toolchain (without parser) took 8976.35ms. Allocated memory was 96.5MB in the beginning and 268.4MB in the end (delta: 172.0MB). Free memory was 65.1MB in the beginning and 196.4MB in the end (delta: -131.3MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2022-11-18 21:10:05,006 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:10:05,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 838.29ms. Allocated memory was 96.5MB in the beginning and 146.8MB in the end (delta: 50.3MB). Free memory was 64.8MB in the beginning and 95.2MB in the end (delta: -30.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-18 21:10:05,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 181.36ms. Allocated memory is still 146.8MB. Free memory was 95.2MB in the beginning and 81.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 21:10:05,007 INFO L158 Benchmark]: Boogie Preprocessor took 153.40ms. Allocated memory is still 146.8MB. Free memory was 81.1MB in the beginning and 110.0MB in the end (delta: -28.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-11-18 21:10:05,008 INFO L158 Benchmark]: RCFGBuilder took 2358.28ms. Allocated memory is still 146.8MB. Free memory was 110.0MB in the beginning and 63.3MB in the end (delta: 46.7MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2022-11-18 21:10:05,008 INFO L158 Benchmark]: BuchiAutomizer took 5436.40ms. Allocated memory was 146.8MB in the beginning and 268.4MB in the end (delta: 121.6MB). Free memory was 63.3MB in the beginning and 196.4MB in the end (delta: -133.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:10:05,009 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 268.4MB. Free memory is still 196.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:10:05,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 838.29ms. Allocated memory was 96.5MB in the beginning and 146.8MB in the end (delta: 50.3MB). Free memory was 64.8MB in the beginning and 95.2MB in the end (delta: -30.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 181.36ms. Allocated memory is still 146.8MB. Free memory was 95.2MB in the beginning and 81.1MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.40ms. Allocated memory is still 146.8MB. Free memory was 81.1MB in the beginning and 110.0MB in the end (delta: -28.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * RCFGBuilder took 2358.28ms. Allocated memory is still 146.8MB. Free memory was 110.0MB in the beginning and 63.3MB in the end (delta: 46.7MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 5436.40ms. Allocated memory was 146.8MB in the beginning and 268.4MB in the end (delta: 121.6MB). Free memory was 63.3MB in the beginning and 196.4MB in the end (delta: -133.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 268.4MB. Free memory is still 196.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op3 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 5 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.1s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3131 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6560 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6557 mSDsluCounter, 14789 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8256 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 119 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 6533 mSDtfsCounter, 119 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp23 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq196 hnf89 smp100 dnf130 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 21:10:05,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_834dfc1a-e629-4d5d-b53f-58b4967c53a6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE